| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 10, 2021 | May 6, 2021 | 001-06024 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 5, 2021 | May 3, 2021 | 001-06024 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 2, 2021 | Feb 1, 2021 | 001-06024 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 4, 2020 | Nov 2, 2020 | 001-06024 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 5, 2020 | Aug 3, 2020 | 001-06024 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 5, 2020 | May 1, 2020 | 001-06024 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 1, 2020 | Apr 29, 2020 | 001-06024 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 5, 2020 | Feb 3, 2020 | 001-06024 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 5, 2019 | Nov 1, 2019 | 001-06024 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 5, 2019 | Aug 1, 2019 | 001-06024 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 6, 2019 | May 1, 2019 | 001-06024 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 5, 2018 | Nov 1, 2018 | 001-06024 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 3, 2018 | Aug 1, 2018 | 001-06024 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 7, 2018 | May 3, 2018 | 001-06024 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 3, 2018 | May 1, 2018 | 001-06024 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 5, 2018 | Feb 1, 2018 | 001-06024 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 3, 2017 | Nov 1, 2017 | 001-06024 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 4, 2017 | Oct 2, 2017 | 001-06024 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 13, 2017 | Sep 12, 2017 | 000-17781 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 6, 2017 | Sep 1, 2017 | 000-17781 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 3, 2017 | Aug 1, 2017 | 001-06024 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 6, 2017 | Jul 3, 2017 | 001-06024 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 13, 2017 | Jun 9, 2017 | 000-17781 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 5, 2017 | Jun 1, 2017 | 000-17781 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 24, 2017 | May 22, 2017 | 000-17781 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 22, 2017 | May 19, 2017 | 000-17781 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 8, 2017 | May 4, 2017 | 001-06024 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 3, 2017 | May 1, 2017 | 001-06024 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 5, 2017 | Apr 3, 2017 | 001-06024 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 2, 2017 | Mar 1, 2017 | 000-17781 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 13, 2017 | Feb 10, 2017 | 000-17781 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Feb 10, 2017 | Jan 31, 2017 | 000-17781 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 3, 2017 | Feb 1, 2017 | 001-06024 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 5, 2017 | Jan 3, 2017 | 001-06024 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 3, 2016 | Nov 1, 2016 | 001-06024 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 4, 2016 | Oct 1, 2016 | 001-06024 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 3, 2016 | Aug 1, 2016 | 001-06024 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 6, 2016 | Jul 1, 2016 | 001-06024 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 4, 2016 | May 2, 2016 | 001-06024 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 25, 2016 | Apr 21, 2016 | 001-06024 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 5, 2016 | Apr 1, 2016 | 001-06024 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 3, 2016 | Feb 1, 2016 | 001-06024 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 6, 2016 | Jan 4, 2016 | 001-06024 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 4, 2015 | Nov 2, 2015 | 001-06024 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 5, 2015 | Oct 1, 2015 | 001-06024 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 5, 2015 | Aug 3, 2015 | 001-06024 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 6, 2015 | Jul 1, 2015 | 001-06024 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 5, 2015 | May 1, 2015 | 001-06024 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 24, 2015 | Apr 22, 2015 | 001-06024 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 3, 2015 | Apr 1, 2015 | 001-06024 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 4, 2015 | Feb 2, 2015 | 001-06024 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 6, 2015 | Jan 2, 2015 | 001-06024 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 10, 2014 | Oct 8, 2014 | 001-06024 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Oct 10, 2014 | Oct 8, 2014 | 001-06024 |